java array delete elements

1import java.util.Scanner;
2
3public class ElemRemoval {
4
5    public static void main(String[] args) {
6        Scanner in = new Scanner(System.in);
7        int[] intArr = {1, 2, 5, 12, 7, 3, 8};
8        System.out.print("Enter Element to be deleted : ");
9        int elem = in.nextInt();
10        
11        for(int i = 0; i < intArr.length; i++){
12            if(intArr[i] == elem){
13                // shifting elements
14                for(int j = i; j < intArr.length - 1; j++){
15                    intArr[j] = intArr[j+1];
16                }
17                break;
18            }
19        }
20      
21        System.out.println("Elements -- " );
22        for(int i = 0; i < intArr.length - 1; i++){
23            System.out.print(" " + intArr[i]);
24        }                
25    }
26}

1//Make an res array that is equal to a but don't contains number 0
2int[] res = Arrays.stream(a).filter(x -> x != 0).toArray();

1//Use ArrayList XD
2import java.util.ArrayList;
3array.remove(i); //remove element by index